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Porthole Windows 


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Porthole Windows 

Written By: Annie Bradley McCall 


We are working on a midcentury kitchen renovation and we wanted round windows, but 
custom ones are expensive. So my father and I made these from scratch! 

Step 1 — Porthole Windows 

• Determine the size of your window 
and pick up the supplies. We used 
a 12" diameter concrete mold, 12" 
diameter flower pot, and 12" 
diameter plexiglass. 

• Step 1 : Cut holes in your wall. You 
might want to check out This Old 
House to see instructions on how 
to do this. 

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Porthole Windows 

Step 2 

• Put together your window. We 
measured the dimension from the 
outer wall and figured out that the 
piece of cement mold we needed to 
cut was 4" to fit flush with the 
sheetrock on the inner wall. I had 
the plexiglass cut to size at my 
local plastics shop. Insert the plexi 
in the tube with the plexi closer to 
the outside of the house. 

• It should look like this picture! 

Step 3 

W*\ r A 


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• Next you are going to cut the top of the plastic planter off to make the outside frame for the 
window. Ours was 1" in depth. 

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Porthole Windows 

Step 4 

• The flower pot top is now your outside frame. We chose forest green because the rest of 
the window moulding on our house is that color. 

• Put your new frame on your circular window box. 
Step 5 

• You are now ready to install your windows. 

• You will need to push your window into the holes you cut out in the wall from the outside. 
We already did framing on the inside and added a new stud for the one we had to cut out. 
All of that work depends on your home and where you are putting in your window. 

• We made three holes for 3 windows. 

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Porthole Windows 

Step 6 

• Next caulk and insulate the window and sheetrock your wall. You now have round 

• We chose to sheetrock-putty the 4" interior of the window. You could also finish it off with 
veneer or sheetmetal; whatever look you are going for. 

Step 7 

• Here's what the finished product looks like. 

• It adds so much more light to our kitchen; not to mention that it kind of makes our little 
yellow house look like a little yellow submarine! 

This document was last generated on 2012-11-03 12:59:04 AM. 

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